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DateThu, 26 Feb 2004 02:49:04 -0500
FromJeff Garzik <>
SubjectRe: [SUBJECT CHANGE]: megaraid unified driver version 2.20.0.0-al pha1
Arjan van de Ven wrote:
> BTW it would be really nice if the various raid controller drivers could
> come up with a joint common IOCTL api since it seems every raid controller
> driver right now has a largely overlapping but yet different set of ioctls.


Well.....   we should be moving away from ioctls for this.
For addressing raid arrays, inject REQ_SPECIAL requests directly into 
the request_queue.

For addressing elements above raid array level (such as when creating 
new arrays, etc.) there should be a character device that talks to the 
host driver.

And please let's not bring that godawful SNIA API into the kernel ;-)

	Jeff


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